diff --git a/ipynb/Countdown.ipynb b/ipynb/Countdown.ipynb
index 21e9680..284a596 100644
--- a/ipynb/Countdown.ipynb
+++ b/ipynb/Countdown.ipynb
@@ -24,7 +24,7 @@
     "\n",
     ">Fill in the blanks so that this equation makes arithmetical sense:\n",
     "\n",
-    "10 ␣ 9 ␣ 8 ␣ 7 ␣ 6 ␣ 5 ␣ 4 ␣ 3 ␣ 2 ␣ 1 = 2016\n",
+    "> 10 ␣ 9 ␣ 8 ␣ 7 ␣ 6 ␣ 5 ␣ 4 ␣ 3 ␣ 2 ␣ 1 = 2016\n",
     "\n",
     "> You are allowed to use *only* the four basic arithmetical operations: +, -, ×, ÷. But brackets (parentheses) can be used wherever needed. So, for example, the solution could begin\n",
     "\n",
@@ -589,7 +589,7 @@
     "    \n",
     "> The most famous “fill in the gaps in the equation” puzzle is known as the [four fours](https://en.wikipedia.org/wiki/Four_fours), because every equation is of the form\n",
     "\n",
-    "4 ␣ 4 ␣ 4 ␣ 4 = X.\n",
+    "> 4 ␣ 4 ␣ 4 ␣ 4 = X.\n",
     "\n",
     ">In the classic form of the puzzle you must find a solution for X = 0 to 9 using just addition, subtraction, multiplication and division.\n",
     "\n",